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horsepower (550ft-lbf/s)-hour
Symbol:  Hp-h 
Category:  Energy 
SI Equivalent:  2.68452×106 J
Dimension ML2T-2 
System:  US 
Convert     Hp-h  
1 Hp-h =
  Symbol Unit Name
6.15751×1023  Eh  a.u. of energy 
4.38647×10-4  bboe  barrel oil equivalent 
4.38647×10-4  bboe  bboe (barrel oil equivalent) 
1.67554×1016  BeV  BeV (billion eV) 
2544.42  Btu (ISO)  British thermal unit (ISO) 
2544.43  Btu (IT)  British thermal unit (IT) 
2542.47  Btu (mean)  British thermal unit (mean) 
2546.14  Btu (therm.)  British thermal unit (thermochemical) 
6.41462×105  cal15  calorie (15°C) 
6.38487×105  cal4  calorie (4°C) 
642.23  Cal, kcal  Calorie (diet kilocalorie) 
6.41196×105  cal (IT)  calorie (IT) (International Steam Table) 
6.40694×105  calmean  calorie (mean) 
6.41616×105  cal (therm.)  calorie (thermochemical) 
1413.52  Chu  Celsius-heat unit 
2.68452×106  C-V  coulomb volt 
2.64941×107  cm3-atm  cubic centimeter-atm 
935.633  ft3-atm  cubic foot atm 
1.67554×1025  eV  electronvolt 
2.68452×1013  erg  erg 
1.98×106  ft-lbf  foot-pound force 
6.37046×107  ft-pdl  foot-poundal 
1.67554×1016  GeV  gigaelectronvolt 
6.41196×105  gram-cal  gram calorie 
6.15751×1023  Eh  hartree 
2.376×107  in-lbf  inch pound force 
2.68452×106  J  joule 
641.386  kcal15  kilocalorie (15°C) 
638.487  kcal4  kilocalorie (4°C) 
1.67554×1022  keV  kiloelectronvolt 
2684.52  kJ  kilojoule 
6.4223×10-7  kt (TNT)  kiloton TNT equivalent 
0.7457  kWh  kilowatt-hour 
1.67554×1019  MeV  megaelectronvolt 
2.68452  MJ  megajoule 
6.4223×10-10  Mt (TNT)  megaton TNT equivalent 
2.68452×106  N-m  newton meter 
2.54457×10-15    Q unit 
2.54443×10-12  quad  quad 
2.54443×10-12  quad  quadrillion 
1.2315×1024  Ry  rydberg 
9.16531×10-5  tce  tce (tonne coal equivalent) 
2.54443×10-2    therm (EEG) 
2.54504×10-2    therm (US) 
0.641386  th15 °C  thermie (15°C) 
6.41156×10-5  toe  toe (tonne oil equivalent) 
6.4223×10-4  ton (TNT)  ton TNT equivalent 
9.16531×10-5  tce  tonne coal equivalent 
6.41156×10-5  toe  tonne oil equivalent 
745.7  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
2.68452×1013  dyn-cm  dyne-centimeter 
2.73745×1010  gf-cm  gram force-centimeter 
2.73745×105  kgf-m  kilogram force-meter 
2.68452×108  N-cm  newton-centimeter 
2.68452×106  N-m  newton-meter 
3.8016×108  ozf-in  ounce force-inch 
1.98×106  lbf-ft  pound force-foot 
2.376×107  lbf-in  pound force-inch 
6.37046×107  pdl-ft  poundal-foot